-6.5% is the change from 985 to 921
Calculation steps:
[( 921 - 985 ) ÷ 985] x 100 = -6.5%
Formula
Percentage change = [(921 - 985) / 985] x 100
Subtract the new number by the original number
921 - 985 = -64
-64 ÷ 985 = -0.0649746192893401
-0.0649746192893401 x 100 = -6.5%